What settings do I change to render an animation of 60 fps instead of 24 fps for video editing?
Time is a relative concept when it comes to video and framerates.
If you want a second of video you need as many frames as the framerate (time base) you are working on. For example: a single second at 24fps needs 24 frames.
If you generate 60, then you need to playback at 60fps to get that same second on the screen, or you need to play some frames and drop (ignore) others if playing back at 24fps.
If your goal is to have more frames to be able to stretch the playback and generate &quot;slow motion&quot; or speed ramps without having to interpolate frames, then render the animation at 60fps or higher and play back at 24 fps so that those 60 frames will play over two and a half seconds (roughly)
What is the difference between changing framerate and time remapping? you ask.
If you change the &quot;framerate&quot;, you will generate more frames for every second of video. The playback speed will need to increase as well to keep a second still a second. Most video editing software (not blender's VSE) can deal with different timebase for elements on the timeline.
If you use the &quot;time remapping&quot; settings in blender you will be changing the global speed of the whole animation but keep the timebase (framerate). If you set Old to be 100 and and new to be 200 your animation will play back in more frames within the same framerate. A second of the original animation will occur over two seconds now, creating two seconds worth of frames. You will need to adjust the Frame Start and Frame End settings for the render to accommodate for this change.
The decision is yours on which one to use,but in either case you need to re-render and bake the simulations again.